Home / 64,602,218.28-89,147,915.64-38,496,154.80

Finding the Fourth Proportional to 64,602,218.28, 89,147,915.64 and 38,496,154.80

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Solution

The fourth proportional to 64,602,218.28, 89,147,915.64 and 38,496,154.80 is: 53,122,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,602,218.28 : 89,147,915.64 = 38,496,154.80 : x
  2. Step 2: Convert to fraction form
    64,602,218.28/89,147,915.64 = 38,496,154.80/x
  3. Step 3: Cross multiply
    64,602,218.28x = 89,147,915.64 × 38,496,154.80
  4. Step 4: Simplify right side
    64,602,218.28x = 3,431,851,960,574,781
  5. Step 5: Solve for x
    x = 3,431,851,960,574,781/64,602,218.28
  6. Step 6: Final answer
    x = 53,122,819.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.